At least 39 people were injured in a grenade attack near a Jamaat-i-Islami rally in Karachi, officials said.
The blast took place near the main truck that was part of the rally in Gulshan-i-Iqbal area, a JI spokesperson said.
Of the total, one person was stated to be in critical condition while no deaths were reported, according to Meeran Yousuf, the media coordinator to the Sindh health minister.
She earlier said five of the injured were taken to Al Mustafa Hospital, seven to the Jinnah Postgraduate Medical Centre (JPMC), 11 to Aga Khan University Hospital and 10 to Liaquat National Hospital.
According to Yousuf, a majority of the injured received "very minor injuries", while some were discharged.
East Senior Superintendent of Police Sajid Sadozai said two unidentified persons riding a motorcycle threw an RGD-1 grenade at the rally and fled.
He had earlier ruled out that the blast was caused by a planted bomb.